package b面向对象.day3.demo2_创建实例的过程;

public class A {
    static int m=20;
    int age=30;
    static {
        System.out.println("静态代码块，m="+m);
    }
    {
        System.out.println("初始化块,age="+30);
    }
    public A(){
        System.out.println("这是构造方法...");
    }
}
